CN103290622A - Auxiliary device used for sewing machine presser foot - Google Patents
Auxiliary device used for sewing machine presser foot Download PDFInfo
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- CN103290622A CN103290622A CN2013102300129A CN201310230012A CN103290622A CN 103290622 A CN103290622 A CN 103290622A CN 2013102300129 A CN2013102300129 A CN 2013102300129A CN 201310230012 A CN201310230012 A CN 201310230012A CN 103290622 A CN103290622 A CN 103290622A
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- trim ring
- groove
- pressing ring
- installing mechanism
- presser foot
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Abstract
The invention relates to an auxiliary device used for a sewing machine presser foot. The auxiliary device used for the sewing machine presser foot comprises the presser foot and a presser foot rod, wherein the presser foot is fixed on the presser foot rod. The auxiliary device used for the sewing machine presser foot is characterized by further comprising a pressing ring installment mechanism and a pressing ring, wherein a connecting piece is arranged on the lower portion of the pressing ring installment mechanism, and the pressing ring installment mechanism is fixed on the presser foot rod through the connecting piece; the pressing ring is of a circular-ring-shaped structure; a clamping groove is formed in the upper portion of the pressing ring installment structure, the pressing ring installment mechanism is provided with a positioning clamping hook, and a groove is formed in the bottom of the presser foot; the pressing foot is pressed on the inner wall surface of the bottom of the pressing ring, the bottom of the pressing ring is located in the groove of the pressing foot, the positioning clamping hook is hooked on the outer wall surface of the pressing ring, the pressing ring is arranged in the clamping groove in a matched mode, the inner wall surface of the pressing ring is supported by the clamping groove, and the pressing ring is made of an elastic material. The auxiliary device used for the sewing machine presser foot is simple in structure and reasonable in design, and can prevent leather materials from being pulled and elongated or damaged in the sewing process.
Description
Technical field
The present invention relates to a kind of servicing unit for sewing-machine foot, be specially adapted to making of cladding.
Background technology
Existing sewing machine is typically provided with presser feet, utilizes presser feet to come the compacting cloth, thereby carries out stable making.But relatively during the making of fabric, particularly cladding of difficulty, presser feet elongates and scratches cladding easily, will cause loss economically for some work feeds.Now also have and use the press strip of strip shape to be arranged on below the presser feet, when making, press strip moves with fur clothing, prevents that with this cladding is not elongated or damages, but this press strip limited length, when being sewn near the press strip end, just need again press strip to be drawn back, draw back the position that the back all needs to adjust press strip at every turn, thereby operation inconvenience, labour intensity is big, inefficiency.
The applying date is on February 23rd, 2012, Chinese patent publication number 202440642U, a kind of adjustable roller press of sewing machine is disclosed, it can reach does not change roller and can make roller press reach the different purposes of eating the cloth amount, though it is more convenient that roller press is operated when making cladding,, roller press will be pressed into arc to cladding to be made, make suture inhomogeneous, influence attractive in appearance.
In sum, also do not have at present a kind of simple in structure, reasonable in design, dependable performance, easy to use, the servicing unit that is used for sewing-machine foot of efficient work.
Summary of the invention
The objective of the invention is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, easy to use, work feed is effective, the servicing unit that is used for sewing-machine foot that the process of making can sideslip.
The present invention addresses the above problem the technical scheme that adopts: the servicing unit that should be used for sewing-machine foot, comprise presser feet and presser bar, described presser feet is fixed on the presser bar, it is characterized in that: also comprise trim ring installing mechanism and trim ring, the bottom of described trim ring installing mechanism is provided with brace, and described trim ring installing mechanism is fixed on the presser bar by brace; Described trim ring is cirque structure; The top of described trim ring installing mechanism is provided with draw-in groove, and described trim ring installing mechanism is provided with the location trip, and described presser feet bottom is provided with groove; Described presser feet is pressed on the internal face of trim ring bottom, and the bottom of trim ring is positioned at the groove of presser feet, and described location trip colludes on the outside wall surface of trim ring, and described trim ring is engaged in the draw-in groove and draw-in groove is held the internal face of trim ring, and described trim ring is made by elastomeric material.The present invention is simple in structure, and is reasonable in design; 3 on same straight line can not determine a circle, so trim ring can position installation by draw-in groove, location trip and groove, and trim ring is free to rotate when stressed; Draw-in groove is held trim ring can prevent that trim ring is out of shape downwards, the location trip catches on trim ring, location trip beating and make restriction diametrically can rotate trim ring the time, presser feet is pushed down the bottom of trim ring, draw-in groove, location trip and groove make that to the spacing of trim ring the rotation of trim ring is more steadily reliable, and the movement locus of trim ring can not depart from; During work, trim ring is pressed on the cladding, because the frictional force between trim ring and the cladding, trim ring can rotate along with the charging of cladding, therefore can prevent that cladding is elongated or damages; Trim ring is made by elastomeric material, thereby when work, and trim ring is positioned at part under the presser feet will pressurized and become smooth, makes suture needle operation on the cladding of opposed flattened all the time, thereby cabling is more even; During shut-down operation, presser bar will lifting, because the trim ring installing mechanism is fixed on the presser bar, the trim ring installing mechanism also will lifting, the draw-in groove that be positioned at trim ring installing mechanism top this moment will lift trim ring, and when needs were made, trim ring was directly pressed cladding with the decline of presser bar, need not to readjust the position of trim ring, improved operating efficiency.
Trim ring installing mechanism of the present invention comprises upper piece and lower piece, and described upper piece is provided with slotted hole, and described lower piece is located by connecting by slotted hole and lower piece.Draw-in groove is arranged on the top of upper piece, connecting portion and brace all are arranged on the lower piece, lower piece can arrange some circular holes, passing slotted hole by 2 rivets or 2 bolts again is positioned in the circular hole, by the setting of slotted hole, make upper piece relative with lower piece adjustable, thereby make that the position of draw-in groove is adjustable, finally can realize the adjustment to trim ring, with this trim ring that trim ring is transferred to the optimum position or adapts to different size.
Trim ring installing mechanism of the present invention is provided with connecting portion, and location trip and connecting portion are hinged.Locator card was worked hard in glove with connecting portion and was connected on the trim ring installing mechanism, after location trip and connecting portion are hinged, the location trip can rotate when applying external force, therefore can make trim ring be in the optimum position by the adjustment of location trip, and also can adapt to the trim ring of different size by the adjustment of location trip, enlarge the scope of application.
Location of the present invention trip is brace to 1/5th to 1/2nd of the distance b at trim ring installing mechanism top to brace apart from a.Locate trip to the good positioning effect of trim ring this moment.
Upper piece of the present invention and lower piece are elastomeric material and make.Because upper piece and lower piece are elastomeric material and make, and with this elastic deformation that can adapt to trim ring, prevent that trim ring from coming off.
Presser feet of the present invention is provided with the suture needle groove, and described groove is positioned at the side of suture needle groove.Thereby the position of trim ring can not have influence on the operate as normal of suture needle.
The present invention compared with prior art, have the following advantages and effect: simple in structure, reasonable in design, because 3 on same straight line can not determine a circle, therefore trim ring can position installation by draw-in groove, location trip and groove, and trim ring is free to rotate when stressed; Draw-in groove is held trim ring can prevent that trim ring is out of shape downwards, the location trip catches on trim ring, location trip beating and make restriction diametrically can rotate trim ring the time, presser feet is pushed down the bottom of trim ring, draw-in groove, location trip and groove make that to the spacing of trim ring the rotation of trim ring is more steadily reliable, and the movement locus of trim ring can not depart from; During work, trim ring can rotate along with the charging of cladding, therefore can prevent that cladding is elongated or damages, trim ring is made by elastomeric material, thereby when work, trim ring is positioned at part under the presser feet will pressurized and become smooth, makes suture needle operation on the cladding of opposed flattened all the time, thereby cabling is more even.
Description of drawings
Fig. 1 is sewing machine body and be used for the assembly structure schematic diagram of the servicing unit of sewing-machine foot in the embodiment of the invention.
Fig. 2 is trim ring installing mechanism and the syndeton schematic diagram of locating trip in the embodiment of the invention.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Fig. 4 is the left TV structure schematic diagram of Fig. 2.
Fig. 5 is the structural representation of presser feet.
Fig. 6 is the left TV structure schematic diagram of Fig. 5.
Fig. 7 is the structural representation of looking up of Fig. 6.
Fig. 8 is the backsight structural representation of Fig. 4.
The present invention is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 8, the servicing unit that is used for sewing-machine foot in the present embodiment comprises presser feet 1, groove 11, suture needle groove 12, presser bar 2, trim ring 3, trim ring installing mechanism 4, location trip 5, sewing machine body 9 and suture needle 10.Wherein, trim ring 3, upper piece 7 and lower piece 8 are the resilient sheet-like structure that stainless steel material is made.Trim ring 3 is cirque structure in the present embodiment, and trim ring 3 comprises internal face 31 and outside wall surface 32.
Trim ring installing mechanism 4 in the present embodiment comprises upper piece 7, draw-in groove 71, slotted hole 72, lower piece 8, brace 81, circular hole 82 and connecting portion 83, upper piece 7 is provided with slotted hole 72, lower piece 8 is provided with some circular holes 82, be preferably 4 circular holes 82, passing slotted hole 72 by 2 rivets or 2 bolts makes upper piece 7 be connected with lower piece 8 with circular hole 82 cooperations, being arranged so that between upper piece 7 and the lower piece 8 of slotted hole 72 is adjustable, thereby make that the position of draw-in groove 71 is adjustable, finally can realize the adjustment to trim ring 3, with this trim ring 3 is adjusted to the optimum position or adapted to the trim ring 3 of different size with this, the top of upper piece 7 is provided with draw-in groove 71, the bottom of lower piece 8 is provided with brace 81, and lower piece 8 is provided with connecting portion 83.
Presser feet 1 in the present embodiment is fixed on the presser bar 2, and presser feet 1 bottom is provided with groove 11, and trim ring installing mechanism 4 is fixed on the presser bar 2 by brace 81, and the brace 81 in the present embodiment adopts with presser bar 2 and is threaded, and dismounting is convenient; Be hinged with location trip 5 on the connecting portion 83, can applying rotational positioning trip 5 under the situation of external force behind connecting portion 83 and location trip 5 hinged herein, presser feet 1 bottom is provided with groove 11; Presser feet 1 is pressed on the internal face 31 of trim ring 3 bottoms, the bottom of trim ring 3 is positioned at the groove 11 of presser feet 1, location trip 5 colludes on the outside wall surface 32 of trim ring 3, and trim ring 3 is engaged in the draw-in groove 71 and draw-in groove 71 is held the internal face 32 of trim ring 3, and draw-in groove 71 can be played a supporting role to trim ring 3; 3 on same straight line can not determine a circle, so trim ring 3 can position installation by draw-in groove 71, location trip 5 and groove 11, and trim ring 3 is free to rotate when stressed; Referring to Fig. 1, draw-in groove 71 upwards holds up trim ring 3 can prevent that trim ring 3 is out of shape downwards, location trip 5 catches on trim ring 3 left, beating and make restriction diametrically when location trip 5 can rotate trim ring 3, presser feet 1 is pushed down the bottom of trim ring 3, the spacing of draw-in groove 71, location trip 5 and 11 pairs of trim rings 3 of groove makes that the rotation of trim ring 3 is more steadily reliable, and draw-in groove 71, location trip 5 and groove 11 all carried out spacingly on fore-and-aft direction to trim ring 3, thereby the movement locus of trim ring 3 can not depart from; Because trim ring 3 has elasticity, when therefore working, trim ring 3 can become smooth when being positioned at part pressurized under the presser feet 1.
In the present embodiment location trip 5 and connecting portion 83 hinged after, location trip 5 can rotate when applying external force, therefore can make trim ring 3 be in the optimum position by the adjustment of location trip 5, and also can adapt to the trim ring 3 of different size by the adjustment of location trip 5, enlarge the scope of application.
Upper piece 7 and lower piece 8 in the present embodiment have elasticity, therefore can adapt to the elastic deformation of trim ring 3 automatically, prevent that trim ring 3 from coming off from groove 11 or location trip 5 or draw-in groove 71.
Location trip 5 is 1/5th to 1/2nd of brace 81 distance b that arrives trim ring installing mechanism 4 tops to brace 81 apart from a in the present embodiment, preferably, location trip 5 is brace 81 to 1/4th of the distance b at trim ring installing mechanism 4 tops to brace 81 apart from a, locatees the good positioning effect of 5 pairs of trim rings 3 of trip at this moment.
Presser feet 1 is provided with suture needle groove 12 in the present embodiment, and groove 11 is positioned at the side of suture needle groove 12, thereby the position of trim ring 3 can not have influence on the operate as normal of suture needle 10.
Sewing machine body 9 is defined as the inboard towards one side of operator in the present embodiment, and another side is defined as the outside, and trim ring installing mechanism 4 is positioned at sewing machine body 9 outsides, so the setting of trim ring installing mechanism 4 can not influence operator's normal operating.
The operation principle of present embodiment: because 3 on same straight line can not determine a circle, so trim ring 3 can position installation by draw-in groove 71, location trip 5 and groove 11, and trim ring 3 can follow cladding freely to rotate during with the cladding friction; Draw-in groove 71 upwards holds up trim ring 3 can prevent that trim ring 3 is out of shape downwards, location trip 5 catches on trim ring 3 left, beating and make restriction diametrically when location trip 5 can rotate trim ring 3, presser feet 1 is pushed down the bottom of trim ring 3, the spacing of draw-in groove 71, location trip 5 and 11 pairs of trim rings 3 of groove makes that the rotation of trim ring 3 is more steadily reliable, and the movement locus of trim ring 3 can not depart from; During work, trim ring 3 is pressed on the cladding, because the friction between trim ring 3 and the cladding, trim ring 3 can rotate along with the charging of cladding, thereby can prevent that cladding is elongated or damages; Trim ring 3 is made by elastomeric material, thereby during work, and trim ring 3 is positioned at part under the presser feet 1 will pressurized and become smooth, makes suture needle 10 operation on the cladding of opposed flattened all the time, thereby cabling is more even; During shut-down operation, presser bar 2 will lifting, because trim ring installing mechanism 4 is fixed on the presser bar 2, trim ring installing mechanism 4 also will lifting, and the draw-in groove 71 that be positioned at trim ring installing mechanism 4 tops this moment will lift trim ring, thereby can not have influence on other operations, when needs are made, trim ring 3 is directly pressed cladding with the decline of presser bar 2, need not to readjust the position of trim ring 3, makes operating efficiency higher.
In addition, need to prove, the specific embodiment described in this specification, its zero, the shape of parts, institute's title of being named etc. can be different, the above content described in this specification only is to structure example of the present invention explanation.Allly conceive equivalence variation or the simple change that described structure, feature and principle are done according to patent of the present invention, be included in the protection domain of patent of the present invention.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.
Claims (6)
1. servicing unit that is used for sewing-machine foot, comprise presser feet and presser bar, described presser feet is fixed on the presser bar, it is characterized in that: also comprise trim ring installing mechanism and trim ring, the bottom of described trim ring installing mechanism is provided with brace, and described trim ring installing mechanism is fixed on the presser bar by brace; Described trim ring is cirque structure; The top of described trim ring installing mechanism is provided with draw-in groove, and described trim ring installing mechanism is provided with the location trip, and described presser feet bottom is provided with groove; Described presser feet is pressed on the internal face of trim ring bottom, and the bottom of trim ring is positioned at the groove of presser feet, and described location trip colludes on the outside wall surface of trim ring, and described trim ring is engaged in the draw-in groove and draw-in groove is held the internal face of trim ring, and described trim ring is made by elastomeric material.
2. the servicing unit for sewing-machine foot according to claim 1, it is characterized in that: described trim ring installing mechanism comprises upper piece and lower piece, and described upper piece is provided with slotted hole, and described lower piece is located by connecting by slotted hole and lower piece.
3. the servicing unit for sewing-machine foot according to claim 1 and 2, it is characterized in that: described trim ring installing mechanism is provided with connecting portion, and location trip and connecting portion are hinged.
4. the servicing unit for sewing-machine foot according to claim 1 and 2 is characterized in that: described location trip is brace to 1/5th to 1/2nd of the distance at trim ring installing mechanism top to the distance of brace.
5. the servicing unit for sewing-machine foot according to claim 1 and 2, it is characterized in that: described upper piece and lower piece are elastomeric material and make.
6. the servicing unit for sewing-machine foot according to claim 1, it is characterized in that: described presser feet is provided with the suture needle groove, and described groove is positioned at the side of suture needle groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310230012.9A CN103290622B (en) | 2013-06-09 | 2013-06-09 | Auxiliary device used for sewing machine presser foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310230012.9A CN103290622B (en) | 2013-06-09 | 2013-06-09 | Auxiliary device used for sewing machine presser foot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103290622A true CN103290622A (en) | 2013-09-11 |
| CN103290622B CN103290622B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310230012.9A Expired - Fee Related CN103290622B (en) | 2013-06-09 | 2013-06-09 | Auxiliary device used for sewing machine presser foot |
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| Country | Link |
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| CN (1) | CN103290622B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3988244B2 (en) * | 1998-03-25 | 2007-10-10 | ブラザー工業株式会社 | Sewing machine accessories and sewing machine |
| CN201068508Y (en) * | 2007-07-04 | 2008-06-04 | 金利佳股份有限公司 | Elastic force extension type cloth press foot |
| CN101200842A (en) * | 2007-12-14 | 2008-06-18 | 郑晶晶 | Seam turner feed gear |
| CN201598406U (en) * | 2009-11-30 | 2010-10-06 | 天津市应氏服饰有限公司 | Presser foot with automatic pressing strip |
| CN203382975U (en) * | 2013-06-09 | 2014-01-08 | 浙江格莱美服装有限公司 | Auxiliary device for sewing machine presser foot |
-
2013
- 2013-06-09 CN CN201310230012.9A patent/CN103290622B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3988244B2 (en) * | 1998-03-25 | 2007-10-10 | ブラザー工業株式会社 | Sewing machine accessories and sewing machine |
| CN201068508Y (en) * | 2007-07-04 | 2008-06-04 | 金利佳股份有限公司 | Elastic force extension type cloth press foot |
| CN101200842A (en) * | 2007-12-14 | 2008-06-18 | 郑晶晶 | Seam turner feed gear |
| CN201598406U (en) * | 2009-11-30 | 2010-10-06 | 天津市应氏服饰有限公司 | Presser foot with automatic pressing strip |
| CN203382975U (en) * | 2013-06-09 | 2014-01-08 | 浙江格莱美服装有限公司 | Auxiliary device for sewing machine presser foot |
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| Publication number | Publication date |
|---|---|
| CN103290622B (en) | 2015-05-20 |
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Granted publication date: 20150520 Termination date: 20210609 |